Ptilostemon afer (Jacq.) Greuter

Taxonomy: Fam. Compositae// Genus:  Ptilostemon// Species: Ptilostemon afer (Jacq.) Greuter.

Determined according to the botanical keys provided by Werner in Tutin et al. (1976).

Lifeform: Biennial. The first year is characterized with basal rosette formation. Flowering and fruiting occurs in the second year followed by senescence.

Distribution: Native from the Balkan Peninsula to Romania and Turkey according to the distribution information provided by The Euro+Med PlantBase (source: Greuter, 2006+) and the Plants of the World Online portal (Royal Botanic Gardens, Kew).

Habitat:  Rocky terrains, clearings of forests, disturbed ground – roadsides.

Flowering period:  Summer: JUL.

Ptilostemon afer – habit. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – habit. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – habit. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – habit. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – habit. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – habit. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – upper part of plant with capitula. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – upper part of plant with capitula. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – upper part of plant with capitula. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – capitulum. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – capitulum. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – capitulum. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – florets. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – involucral bracts. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – stem. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – stem with cauline leaves. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – stem with cauline leaves. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – stem with cauline leaves. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – plants in the first year of life cycle (basal rosette stage). Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – plants in the first year of life cycle (basal rosette stage). Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – basal leaves. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – adaxial side of leaf. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – adaxial side of leaf. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – abaxial side of leaf. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – abaxial side of leaf. Osogovo – near village of Leshki, 16.07.2023. Photo by Trajche Dimitrovski.
Ptilostemon afer – achenes. Photo by Trajche Dimitrovski.
Ptilostemon afer – body of achenes. Photo by Trajche Dimitrovski.
Ptilostemon afer –papus hairs. Photo by Trajche Dimitrovski.

References:

Ptilostemon afer. Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. Published on the Internet https://europlusmed.org/cdm_dataportal/taxon/2eefdfac-34a3-42bd-bd46-fb757b71757a [Accessed 30.07.2023].

Ptilostemon afer (Jacq.) Greuter. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:240445-1 [Accessed 30.07.2023].

Ptilostemon Cass. (incl. Lamyra (Cass.) Cass., Chamaepeuce DC.). Werner, K. in Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (1976). Flora Europaea. Volume 4: Plantaginaceae to Compositae (and Rubiaceae). Cambridge: Cambridge University Press, pp. 242 – 244.

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